mirror of https://github.com/mpv-player/mpv
73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include "config.h"
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#include "mp_msg.h"
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#include "vd_internal.h"
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static vd_info_t info =
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{
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"MPEG 1/2 Video decoder",
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"libmpeg2",
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VFM_MPEG,
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"A'rpi",
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"Aaron & Walken",
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"native"
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};
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LIBVD_EXTERN(libmpeg2)
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#include "libmpdemux/parse_es.h"
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#include "libvo/video_out.h"
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#include "libmpeg2/mpeg2.h"
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#include "libmpeg2/mpeg2_internal.h"
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extern picture_t *picture; // exported from libmpeg2/decode.c
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// to set/get/query special features/parameters
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static int control(sh_video_t *sh,int cmd,void* arg,...){
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return CONTROL_UNKNOWN;
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}
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// init driver
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static int init(sh_video_t *sh){
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mpeg2_init();
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picture->pp_options=divx_quality;
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// send seq header to the decoder: *** HACK ***
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mpeg2_decode_data(NULL,videobuffer,videobuffer+videobuf_len,0);
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mpeg2_allocate_image_buffers (picture);
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return mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YV12);
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}
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// uninit driver
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static void uninit(sh_video_t *sh){
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mpeg2_free_image_buffers (picture);
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}
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// decode a frame
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static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
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mp_image_t* mpi;
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if(sh->codec->outfmt[sh->outfmtidx]==IMGFMT_MPEGPES){
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static vo_mpegpes_t packet;
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mpi=mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, 0,
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sh->disp_w, sh->disp_h);
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// hardware decoding:
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// mpeg2_decode_data(video_out, start, start+in_size,3); // parse headers
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packet.data=data;
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packet.size=len-4;
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packet.timestamp=sh->timer*90000.0;
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packet.id=0x1E0; //+sh_video->ds->id;
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mpi->planes[0]=(uint8_t*)(&packet);
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} else {
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mpi=mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, MP_IMGFLAG_DRAW_CALLBACK,
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sh->disp_w, sh->disp_h);
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if(
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mpeg2_decode_data(sh->video_out, data, data+len,flags&3)==0 // decode
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)return NULL;//hack for interlaced mpeg2
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}
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return mpi;
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}
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